Lunch bag



FIG. 1 is a top, left side, perspective view of the lunch bag thereof;

FIG. 2 is a front side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof, a left side elevationalview being a mirror image thereof;

FIG. 5 is a top plan elevational view thereof; and,

FIG. 6 is a bottom plan elevational view.

The broken lines showing the zipper pull are for illustrative purposesonly and form no part of the claimed design.

The ornamental design for a lunch bag, as shown and described.